User:Surge79uwf/sandbox

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Single–table format (1989–1992)
Known as Japan Ladies' Soccer League (JLSL).

Apertura and Clausura format (1993–1999)
Known as Japan Ladies' Soccer League (JLSL) in 1993 and L. League afterwards. Champion teams are the team which won the championship playoff, runner-up teams are the playoff losers, and third place teams are according to aggregate table. If there was no playoff due to the champions winning both stages (denoted with two **), aggregate table score is the tiebreaker for the second and third places.

Regional stages format (2000–2003)
Known as L. League. Places are determined according to scoring in championship group table.

Single–table format (2004–2020)
Known as L. League Division 1 until 2005 and as Nadeshiko League Division 1 since 2006.

WE League (2021–present)
In 2021 the WE League was formed to professionalize the top tier of women's football.

Total wins

 * Yomiuri Beleza was renamed to NTV Beleza in 1999 and to Tokyo Verdy Beleza in 2011, when the Yomiuri Group sold its stake.
 * Saitama Reinas were absorbed by Urawa Red Diamonds in 2005.
 * Matsushita L.S.C. Bambina was renamed to Speranza F.C. Takatsuki in 2000. Then, renamed to Speranza F.C. Osaka-Takatsuki in 2012.
 * Prima Ham F.C. Kunoichi was renamed to Iga F.C. Kunoichi in 2000.
 * Nikko Securities Dream Ladies and Tasaki Perule no longer exist.